package com.wzl.day1;

/**
 * @author wuzhilang
 * @Title: Day1
 * @ProjectName questions
 * @Description: TODO
 * @date 7/15/20191:14 PM
 */

import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;

/**
 * 问题描述： 阅读以下代码输出正确的答案
 * import java.util.Calendar;
 * <p>
 * public class Elvis {
 * public static final Elvis INSTANCE = new Elvis();
 * private final int beltSize;
 * <p>
 * private static final int CURRENT_YEAR =
 * Calendar.getInstance().get(Calendar.YEAR);
 * <p>
 * private Elvis() {
 * beltSize = CURRENT_YEAR - 1930;
 * }
 * <p>
 * public int beltSize() {
 * return beltSize;
 * }
 * <p>
 * public static void main(String[] args) {
 * System.out.println("Elvis wears size " +
 * INSTANCE.beltSize() + " belt.");
 * }
 * }
 * 以上程序输出内容是？
 * (a) Elvis wears size 0 belt.
 * (b) Elvis wears size 73 belt.
 * (c) Elvis wears size -1930 belt.
 * (d) 以上答案都不对
 */
public class Day1 {


	public static final Day1 INSTANCE = new Day1();
	private final int beltSize;

	private static final int CURRENT_YEAR =
			Calendar.getInstance().get(Calendar.YEAR);

	private Day1() {
		beltSize = CURRENT_YEAR - 1930;
	}

	public int beltSize() {
		return beltSize;
	}

	public static void main(String[] args) {

			List list = new ArrayList();
			list.remove(null);

	}

}

